Velarion Records

Clean Water Act discharge permit · NPDES MAG590003

UXBRIDGE W W T F, Uxbridge, MA: NPDES MAG590003 discharge permit, effluent exceedances, inspections, penalties

UXBRIDGE W W T F, held by UXBRIDGE WWTF, holds NPDES permit MAG590003, which discharges to Blackstone River. EPA’s file records it issued September 28, 2022 and expiring October 31, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedUXBRIDGE W W T F
Permittee as filedUXBRIDGE WWTF
NPDES IDMAG590003
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 28, 2022
Expiration dateOctober 31, 2027
AddressUxbridge, MA 01569
Receiving waterBLACKSTONE RIVER
SubwatershedKettle Brook (HUC 010900030101)
Other EPA IDs (FRS)RCRA handler MAD000650234

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant; the 60 with the most exceedances of 66 are shown.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nitrogen, ammonia total [as N]121212June 30, 2025100% over the limit
Phosphorus, total [as P]565June 30, 202638% over the limit
Enterococci244April 30, 2026160% over the limit
Aluminum, total [as Al]333April 30, 2025155% over the limit
E. coli233April 30, 2026194% over the limit
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)330
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)330
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)330
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)330
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)330
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)330
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)330
Perfluoropentanesulfonic acid (PFPeS)330
Perfluorononanesulfonic acid (PFNS)330
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)330
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)330
N-methyl perfluorooctanesulfonamide (NMeFOSA)330
N-ethyl perfluorooctanesulfonamide (NEtFOSA)330
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)330
Carbon, dissolved organic [as C]110
BOD, 5-day, 20 deg. C1100
Solids, total suspended1100
Nitrogen, Kjeldahl, total [as N]400
Nitrite + Nitrate total [as N]400
pH300
Nitrogen, total [as N]300
Flow, in conduit or thru treatment plant300
Perfluorooctanoic acid (PFOA)300
Perfluorobutanoic acid (PFBA)300
Perfluorooctanesulfonamide (PFOSA)300
Perfluoropentanoic acid (PFPeA)300
Perfluorohexanoic acid (PFHxA)300
Perfluoroheptanoic acid (PFHpA)300
Perfluorononanoic acid (PFNA)300
Perfluorodecanoic acid (PFDA)300
Perfluoroundecanoic acid (PFUnA)300
Perfluorododecanoic acid (PFDoA)300
Perfluorotridecanoic acid (PFTrDA)300
Perfluorotetradecanoic acid (PFTeDA)300
Perfluorobutanesulfonic acid (PFBS)300
Perfluorodecanesulfonic acid (PFDS)300
Perfluoroheptanesulfonic acid (PFHpS)300
Perfluorohexanesulfonic acid (PFHxS)300
Perfluorooctanesulfonic acid (PFOS)300
Hexafluoropropylene oxide dimer acid (HFPO-DA)300
Perfluorododecanesulfonic acid (PFDoS)300
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)300
3-Perfluoropropyl propanoic acid (3:3 FTCA)300
Perfluoro-3-methoxypropanoic acid (PFMPA)300
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)300
3-Perfluoroheptyl propanoic acid (7:3 FTCA)300
Perfluoro-4-methoxybutanoic acid (PFMBA)300
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)300
Carbon, tot organic [TOC]200
Hardness, total [as CaCO3]200
Cadmium, total [as Cd]200
Copper, total [as Cu]200
Lead, total [as Pb]200
Nickel, total [as Ni]200
Zinc, total [as Zn]200

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAG590003.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MAG590003 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers the Clean Water Act discharge permit NPDES MAG590003, held by UXBRIDGE WWTF in Uxbridge, MA, which discharges to the BLACKSTONE RIVER and carries an effective status with a Minor discharger class. The page lists 66 pollutants on file, of which 5 are under a numeric limit and 20 have a violation of any kind, with 5 showing an effluent exceedance.

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